Hourly Weather | Today Wednesday, March 18, 2026
Bloomington, Illinois
4 AM
Snowy Weather
27°
Feels Like
47
Humidity: 85%
UV Index: 0
Wind: 21 mph
5 AM
Snowy Weather
27°
Feels Like
46
Humidity: 80%
UV Index: 0
Wind: 18 mph
6 AM
Snowy Weather
28°
Feels Like
46
Humidity: 80%
UV Index: 0
Wind: 18 mph
7 AM
Cloudy Weather
28°
Feels Like 12°
39
Humidity: 79%
UV Index: 0
Wind: 17 mph
8 AM
Partly Sunny with a Chance of Snow
28°
Feels Like 12°
42
Humidity: 75%
UV Index: 1
Wind: 17 mph
9 AM
Partly Sunny with a Chance of Snow
30°
Feels Like 16°
42
Humidity: 76%
UV Index: 1
Wind: 16 mph
10 AM
Cloudy Weather
34°
Feels Like 25°
41
Humidity: 73%
UV Index: 3
Wind: 16 mph
11 AM
Cloudy Weather
37°
Feels Like 30°
34
Humidity: 67%
UV Index: 4
Wind: 15 mph
12 PM
Cloudy Weather
43°
Feels Like 37°
34
Humidity: 63%
UV Index: 5
Wind: 15 mph
1 PM
Cloudy Weather
45°
Feels Like 43°
22
Humidity: 61%
UV Index: 5
Wind: 14 mph
2 PM
Cloudy Weather
46°
Feels Like 45°
0
Humidity: 59%
UV Index: 5
Wind: 13 mph
3 PM
Cloudy Weather
48°
Feels Like 46°
0
Humidity: 57%
UV Index: 4
Wind: 13 mph
4 PM
Cloudy Weather
52°
Feels Like 48°
0
Humidity: 56%
UV Index: 3
Wind: 13 mph
5 PM
Cloudy Weather
50°
Feels Like 46°
0
Humidity: 60%
UV Index: 2
Wind: 10 mph
6 PM
Cloudy Weather
48°
Feels Like 45°
0
Humidity: 65%
UV Index: 1
Wind: 8 mph
7 PM
Cloudy Weather
45°
Feels Like 41°
0
Humidity: 72%
UV Index: 0
Wind: 7 mph
8 PM
Cloudy Night
43°
Feels Like 39°
0
Humidity: 79%
UV Index: 0
Wind: 7 mph
9 PM
Cloudy Night
41°
Feels Like 37°
0
Humidity: 82%
UV Index: 0
Wind: 6 mph
10 PM
Cloudy Night
39°
Feels Like 37°
0
Humidity: 84%
UV Index: 0
Wind: 6 mph
11 PM
Cloudy Night
39°
Feels Like 36°
0
Humidity: 84%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

4 AM
47 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.35 µg/m³
  • PM10: 3.68 µg/m³
  • O3: 0.051 ppm
  • NO2: 1.4 ppb
  • SO2: 0.9 ppb
  • CO: 0.14 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

5 AM
47 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.58 µg/m³
  • PM10: 3.99 µg/m³
  • O3: 0.051 ppm
  • NO2: 1.4 ppb
  • SO2: 1 ppb
  • CO: 0.14 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

6 AM
46 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.88 µg/m³
  • PM10: 4.39 µg/m³
  • O3: 0.050 ppm
  • NO2: 1.5 ppb
  • SO2: 1 ppb
  • CO: 0.14 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

7 AM
45 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.17 µg/m³
  • PM10: 4.78 µg/m³
  • O3: 0.049 ppm
  • NO2: 1.6 ppb
  • SO2: 1 ppb
  • CO: 0.14 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

8 AM
45 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.42 µg/m³
  • PM10: 5.15 µg/m³
  • O3: 0.048 ppm
  • NO2: 2 ppb
  • SO2: 1 ppb
  • CO: 0.14 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

9 AM
44 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.53 µg/m³
  • PM10: 5.38 µg/m³
  • O3: 0.047 ppm
  • NO2: 2.7 ppb
  • SO2: 0.9 ppb
  • CO: 0.14 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

10 AM
43 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.68 µg/m³
  • PM10: 5.65 µg/m³
  • O3: 0.046 ppm
  • NO2: 2.9 ppb
  • SO2: 1 ppb
  • CO: 0.15 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

11 AM
43 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.04 µg/m³
  • PM10: 6.11 µg/m³
  • O3: 0.046 ppm
  • NO2: 2.8 ppb
  • SO2: 1.2 ppb
  • CO: 0.15 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

12 PM
43 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.66 µg/m³
  • PM10: 6.8 µg/m³
  • O3: 0.047 ppm
  • NO2: 2.6 ppb
  • SO2: 1.4 ppb
  • CO: 0.15 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

1 PM
45 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 6.84 µg/m³
  • PM10: 8.03 µg/m³
  • O3: 0.048 ppm
  • NO2: 2.3 ppb
  • SO2: 1.6 ppb
  • CO: 0.15 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

2 PM
50 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 8.99 µg/m³
  • PM10: 10.26 µg/m³
  • O3: 0.054 ppm
  • NO2: 1.8 ppb
  • SO2: 1.7 ppb
  • CO: 0.15 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

3 PM
64 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 10.38 µg/m³
  • PM10: 11.69 µg/m³
  • O3: 0.058 ppm
  • NO2: 1.4 ppb
  • SO2: 1.6 ppb
  • CO: 0.15 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

4 PM
72 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 10.68 µg/m³
  • PM10: 12.01 µg/m³
  • O3: 0.061 ppm
  • NO2: 1.2 ppb
  • SO2: 1.5 ppb
  • CO: 0.14 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

5 PM
61 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 9.6 µg/m³
  • PM10: 10.98 µg/m³
  • O3: 0.058 ppm
  • NO2: 1.9 ppb
  • SO2: 1.1 ppb
  • CO: 0.15 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

6 PM
46 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 8.98 µg/m³
  • PM10: 10.47 µg/m³
  • O3: 0.050 ppm
  • NO2: 3.9 ppb
  • SO2: 0.7 ppb
  • CO: 0.18 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

7 PM
40 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 9.18 µg/m³
  • PM10: 10.83 µg/m³
  • O3: 0.043 ppm
  • NO2: 6.8 ppb
  • SO2: 0.5 ppb
  • CO: 0.20 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

8 PM
42 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 10.16 µg/m³
  • PM10: 12 µg/m³
  • O3: 0.040 ppm
  • NO2: 8.5 ppb
  • SO2: 0.5 ppb
  • CO: 0.22 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

9 PM
48 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 11.63 µg/m³
  • PM10: 13.65 µg/m³
  • O3: 0.037 ppm
  • NO2: 9.2 ppb
  • SO2: 0.5 ppb
  • CO: 0.23 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

10 PM
53 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 13.21 µg/m³
  • PM10: 15.37 µg/m³
  • O3: 0.036 ppm
  • NO2: 9.4 ppb
  • SO2: 0.5 ppb
  • CO: 0.23 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

11 PM
56 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 14.61 µg/m³
  • PM10: 16.84 µg/m³
  • O3: 0.033 ppm
  • NO2: 9.3 ppb
  • SO2: 0.5 ppb
  • CO: 0.24 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.